Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

28390621 (number)

28390621 is an odd 8-digits composite number following 28390620 and preceding 28390622. In scientific notation, it is written as 2.8390621 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 23768640 positive integers (up to 28390621) that are relatively prime to 28390621.

Interesting facts

28390621 has 8 divisors, whose sum is 33201344
The reverse of 28390621 is 12609382
Previous prime number is 43

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	twenty-eight million three hundred ninety thousand six hundred twenty-one

Notation

Scientific notation	2.8390621 × 10^7
Engineering notation	2.8390621 × 10^6

Prime Factorization of 28390621

Prime Factorization 7 × 43 × 94321

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28390621	Product of the distinct prime numbers

The prime factorization of 28390621 is 7 × 43 × 94321. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 8, 34, 36, 415, 668, 9792, 3233, 70259, 10567, 795857, 989320, 1586369, 340209, 97549560, 12013850, 62792821, 940208050, 8576100661, 218296110

Basic calculations (n = 28390621)

Multiplication

n×y

n×2	56781242
n×3	85171863
n×4	113562484
n×5	141953105

Division

n÷y

n÷2	14195310.5
n÷3	9463540.3333333
n÷3	7097655.25
n÷5	5678124.2

Exponentiation

n^y

n²	806027360765641
n³	2.2883617315128E+22
n⁴	6.4968010630282E+29
n⁵	1.8444821669283E+37

Nth Root

^y√n

²√n	5328.2849961315
³√n	305.06447082879
⁴√n	72.995102548948
⁵√n	30.948170330048

Divisors of 28390621

1, 7, 43, 301, 94321, 660247, 4055803, 28390621

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-28390620	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	1	Returns the nth root of the product of n divisors
H	Harmonic Mean	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28390621 can be divided by 8 positive divisors. The sum of these divisors (counting 28390621) is 1, the average is 0.125.

Base conversion 28390621

Base	System	Value
2	Binary	1101100010011010011011101
3	Ternary	1222102101121111
4	Quaternary	1230103103131
5	Quinary	24231444441
6	Senary	2452302021
8	Octal	154232335
10	Decimal	28390621
12	Duodecimal	9611911
16	Hexadecimal	1b134dd
20	Vigesimal	8h8gb1
36	Base36	gwicd

Cryptographic Hash Functions

md5	ffc52e2cb950277763da1c7064175283
sha1	fc10950a9e32612777964e1c4a4696047d22824f
sha256	0537fb446120c1d847626b8ded0ad789d9853e09c57a4341efe84b70d70029bb
sha512	da16749bd816a883edf6f4a59e30bea50cf8ad88d1eced14df5c245302646a66b3fa194794fe106cfdb524e3a460d4b935707684af1ce04f3f35cf6e24e56a7b
ripemd-160	92f993743a2017629749e0574784fc1feeb6fa9b

28390621 as geometric shapes

Circle

Radius = n

Diameter	56781242
Circumference	178383532.7289
Area	2.5322096351737E+15

Sphere

Radius = n

Volume	9.5854672059687E+22
Surface area	1.0128838540695E+16
Circumference	178383532.7289

Square

Length = n

Perimeter	113562484
Area	806027360765641
Diagonal	40150401.262394

Cube

Length = n

Surface area	4836164164593846
Volume	2.2883617315128E+22
Space diagonal	49173998.030432

Equilateral Triangle

Length = n

Perimeter	85171863
Area	3.4902008528418E+14
Altitude	24586999.015216

Triangular Pyramid

Length = n

Surface area	3.4902008528418E+14
Volume	2.6968601636008E+21
Height	13383467.087465